do i need to buy scanner or complier as i m studying from sarvana parasth book.. 
it contains previous years papers...plz suggest me. 
 i m writting first group of IPCC in nov.- it contains - accounting, law, income tax & costing & FM...using sarvana's reff book for accounting, law, costing & fm...for IT using singhania & singhania...do i need to solve problems from scanner or complier or RTPs..or only reff book is enough to attempt paper and  to get good marks..
thanksssssssssss a lot